Answer this question truthfully
### Question: What are the symptoms of Costello syndrome?
### Response: An excess of amniotic fluid Increased birth weight Subsequent weight loss and a failure to thrive Difficulty feeding Short stature
Oversized features, particularly the head and mouth Curly, thin hair Wide, short nose Deep, hoarse voice Loose, soft skin Increased pigmentation A large amount of warts on the face, may be absent during infancy and appear during early childhood Hair loss Splayed fingers Abnormal fingernails Abnormal feet positioning
Developmental delay, mental retardation Sociable personality
Tight Achilles tendons Abnormal curvature of the spine Assymetric rib cage
Increased heart tissue Heart defects present since birth Arrhythmia, abnormal electrical activity of the heart, causing irregular heart beats, faster or slower than normal
Hydrocephalus, an abnormal accumulation of cerebrospinal fluid in the brain Seizures
In addition, there is a 15% chance that children and young adults with Costello syndrome suffer from malignant, solid tumors most commonly found in connective tissue, developing nerve cells, and the bladder.